SKILCRAFT® Radio-controlled Atomic Wall Clock has atomic quartz-movement to keep accurate time within one second of deviation per 30 million years and automatically changes for Daylight Savings Time. Use only in the continental US in daylight savings states. Features easy-to-read black Arabic numbers, black minute and hour hands, and red sweep second hand. Frames will biodegrade within an average of 2 years in a landfill and contain 30% post-consumer recycled content. Clear lens is shatter-resistant and UV-protected. Hanging hardware included. Requires one AA alkaline battery (not included). To order a custom logo clock please contact The Chicago Lighthouse customer service 800-842-8624. 6645-01-491-9809.